Since losing her husband, widow Chika has been on friendly terms with her neighbor Shimada. However, Shimada's interest is in Chika's fresh body, which has never known a man other than her husband... and then one day... Chika is forced to lie down in front of her husband's portrait. After Shimada rapes Chika and brings her to orgasm, Chika's body begins to be attracted to men other than her husband, so much so that she gets wet between her legs every night...